I have hit a brick wall with my g-grandfather's family
My G-Grandfather was
Gip McCranie
Born - 1895,GA
Died - 1939,FL

His parents were:
Malcomb McCranie - Born - 1866 in Dodge GA - cannot find death record.
Martha ? - born - 1875 in GA.
She died in Levy County FL

Malcomb's Mother was
Rachel McCranie (unknown maiden name)
Rachel is the head of household in 1870 Telfair County Census
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1870 Telfair County GA
Rachel McCranie - Age33
Catherine McCranie - Age7
Malcomb McCranie - Age 3
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She is listed as Widowed in the Dodge county 1880 census.
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1880 Dodge County Ga. Census
McCranie, Rachel - Age45 - Head - Widowed
McCranie, Malcomb - Age13 - Son
McCranie,Wm J - Age4 -Son
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I am searching for Malcomb's Father and/or Rachel's maiden name.